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NF-S12B ULN Ultra Low Noise 120mm Cooling Fan, 500/700 RPMSucceeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimised blade geometry with Bevelled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing, six years warranty and super-slow 700/500 RPM speed settings, the NF-S12B ULN is a premium quality fan for ultra-low-noise applications where maximum quietness has top priority.
- Highly optimised impeller with Bevelled Blade Tips
- Two speed settings for maximum quietness
- Smooth Commutation Drive 2
- Noise levels from only 5 dB(A)
- Six year warranty